Applied and Numerical Harmonic Analysis Series Editor John J. Benedetto University of Maryland Editorial Advisory Board Akram Aldroubi Vanderbilt University Ingrid Daubechies Princeton University Christopher Heil Georgia Institute of Technology Douglas Cochran Arizona State University Hans G. Feichtinger University of Vienna Murat Kunt Swiss Federal Institute of Technology, Lausanne Wim Sweldens Lucent Technologies, Bell Laboratories Martin Vetterli Swiss Federal Institute of Technology, Lausanne James McClellan Georgia Institute of Technology Michael Unser Swiss Federal Institute of Technology, Lausanne M. Victor Wickerhauser Washington University .Ole Christensen Frames and Bases An Introductory Course ¨ Birkhauser Boston • Basel • Berlin .Ole Christensen Technical University of Denmark Department of Mathematics 2800 Lyngby Denmark ISBN: 978-0-8176-4677-6 e-ISBN: 978-0-8176-4678-3 Library of.